MONOGRAPH OF WEST ESiDIAN STAPHYLINIDAE 163 



1. LEPTOCHIRUS MAXILLOSUS (Fabricius) 



Oucujus maxillosus Fabricius, 1801, p. 93.— Ekichson, 1S40, p. 825.— Lacokdaire, 

 1854, p. 126.— Fauvel, 1865, p. 19.— Sharp, 1887, pp. 734, 735. 



Leptochirus maxillosus (Fabricius) Lacordaibe, 1854, p. 126. — Motschulsky, 

 1857, pp. 501, 502.— Fauvel, 1865, pp. 13, 15, 17, 18, 19.— Sharp, 1876, p. 422 ; 

 1887, pp. 734, 735.— Heller, 1898, pp. 6, 9.— BERNHAxmR, 1903, pp. 119, 124, 131, 

 157.— Beenhauer and Schubert, 1910, p. 14. — Leng and Mutchleb, 1914, p. 

 403.— Bebnhaueb, 1917b, p. 47.— Plavilstschikov, 1929, p. 29.— Scheer- 

 PELTZ, 1933, p. 1000. (Not of Erichson, 1840, p. 825.) 



Leptochirus bicolor Lucas, 1857, p. 5 (as new species). — Heller, 1898, pp. 6, 9 

 (as variety of L. maxillosus.) — Beknhauer, 1903, pp. 124, 157 (as aberra- 

 tion of L. maxillosus). — Bernhauer and Schubert, 1910, p. 14. — Schees- 

 PELTz, 1933, p. 1000. 



Leptochirus bolivianus Heli.er. 189S, pp. 6, 9 (as variety of L. maxillosus). — 

 Bernhaueb, 1903, pp. 124, 157 (as aberration of L. maxillosus) . — Bebnhaueb 

 and Schubert, 1910, p. 14. — PLAviLSTSCHncov. 1929, p. 29. 



Leptochirus collaris Fauvel, 1902a, p. 17 (as variety of L. maxillosus) .—Be&v- 

 haueb and Schltbebt, 1910, p. 14. 



Leptochirus anthracinus Fau\el, 1902, p. 17 (as variety of L. maxillosus). — 

 Bebnhaueb and Schubebt, 1910, p. 14. 



Description. — Piceous, pronotum bright red (base of elytra indis- 

 tinctly reddish). Head with a very feebly impressed midline; pro- 

 jecting anterior margin separated from vertex by a barely visible biar- 

 cuate line ; each mandible with a large upper tooth (molar tooth of au- 

 thors) near apex and a small obtusely angular prominence near base, 

 beneath with a large tooth near apex (more or less bifid on left one) 

 and a small tooth behind the large one (less prominent on left mandi- 

 ble) ; hypostomal lobe^ broadly rounded, a little longer than wide. 

 Pronotum with sides parallel, apex emarginate, base arcuate with mid- 

 dle third slightly extended posteriorly ; as wide as long ; surface not 

 depressed at middle but deeply grooved along midline. Integuments 

 shining, glabrous except for sides and venter of abdomen. Length, 

 9 to 10 mm. 



Type locality. — "America meridionali." Of hicolor, "De Goyaz o 

 Cuyaba"; of boli^ianus, not mentioned; of collaris, "Antilles; Trini- 

 dad; Bresil; Colombie; Bolivie; Perou"; of anthracinus, "Mexique; 

 Honduras; Nicaragua; Perou". 



Types. — Presimiably in the collection of O. R. Sehested and N. T. 

 Lund in the Zoologische Museum, Copenhagen. Of hicolor, presum- 

 ably in Museum Nationale d'Histoire Naturelle, Paris ; of bolivianus, 

 unknown; of collaris and anthracinus, probably in the collection of 

 Blanche Rancin, Caiin, France. 



• The hypostomal lobe Is the projection of the ventral surface of the head between the 

 maxillary articulation and the ventral mandibular articulation. (See Blacliwelder, 1936, 

 p. 10, fig. lA, 193G.) 



